understand (v)

Definition: perceive (an idea or situation) mentally
Example: Now I see!. I just can't see your point. Does she realize how important this decision is?. I don't understand the idea.

understand (v)

Definition: make sense of a language
Example: She understands French. Can you read Greek?.

understand (v)

Definition: be understanding of
Example: You don't need to explain--I understand!.

understand (v)

Definition: know and comprehend the nature or meaning of
Example: She did not understand her husband. I understand what she means.

understand (v)

Definition: believe to be the case
Example: I understand you have no previous experience?.